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JCECE Medical JCECE Medical Solved Paper-2006

  • question_answer
    Colour of the solution When \[\text{KI}\]reacts with \[\text{B}{{\text{r}}_{2}}\] is:                       

    A)  blue           

    B)  black

    C)  red            

    D)  no change

    Correct Answer: B

    Solution :

     Bromine liberates iodine from KI solution because of its oxidising property. Colour of iodine is grey black so, black colour is obtained. \[2KI+B{{r}_{2}}\xrightarrow{{}}2KBr+{{I}_{2}}(Black\,\text{or}\,\text{grey)}\]


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